Home / 14,297.47-19,731.31-7,923.94

Finding the Fourth Proportional to 14,297.47, 19,731.31 and 7,923.94

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Solution

The fourth proportional to 14,297.47, 19,731.31 and 7,923.94 is: 10,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.47 : 19,731.31 = 7,923.94 : x
  2. Step 2: Convert to fraction form
    14,297.47/19,731.31 = 7,923.94/x
  3. Step 3: Cross multiply
    14,297.47x = 19,731.31 × 7,923.94
  4. Step 4: Simplify right side
    14,297.47x = 156,349,647.42
  5. Step 5: Solve for x
    x = 156,349,647.42/14,297.47
  6. Step 6: Final answer
    x = 10,935.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.